Akai CFTD2011 Service Manual
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Akai CFTD2011 Service Manual

Service manual
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CFTD2011
LCD TV/DVD
SERVICE MANUAL

IMPORTANT INFORMATION

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE
CAUTION
RISKOF ELECTRICSHOCK
DONOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
The lightning flash with arrowhead symbol, within an equilateral triangle,
is intended to alert the user to the presence of uninsulated "dangerous
voltage" within the product's enclosure that may be of sufficient magni-
tude to constitute a risk of electric shock to persons.
The exclamation point within a triangle is intended to alert the user to the
presence of important operating and maintenance(servicing)instruction
accompanying the product.

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Summary of Contents for Akai CFTD2011

  • Page 1: Important Information

    CFTD2011 LCD TV/DVD SERVICE MANUAL IMPORTANT INFORMATION WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE CAUTION RISKOF ELECTRICSHOCK DONOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER NO USER-SERVICEABLE PARTS INSIDE.

  • Page 2: Table Of Contents

    CONTENT Safty Precaution ..........................page 1~ 1 Technical Specifications ........................page 2~ 2 Trouble Shooting Flow Chart ....................... page 3~ 5 Block Diagram ............................ page 6~ 6 WiringDiagram ........................... page 7~ 7 Main Board ............................page 8~ 22 Control Board ............................. page23~25 DVDBoard ............................

  • Page 3: Safety Precaution

    SAFETY PRECAUTION In order to prevent you from any possible injury caused by high voltage, please do not touch the inverter directly while repairing the unit. While adjusting the unit, be sure to groud connected instruments adn your body to prevent sstatic electricity destroying the ICs.

  • Page 4: Technical Specifications

    TECHNICAL SPECIFICATIONS LCD TV section Screen Size ..........................20 TFT-LCDPanel Aspect Ration ............................... 4:3 Contrast Ratio ............................600:1 Brightness ............................500 cd/m High color saturation ........................NTSC 7 5 % Resolution ............................480I/480P Pixel Pitch(HXV) ....................... 0.2125mm 0.6375mm Display colors ............................0.26M ResponseTime(Tr/Tf) ..........................

  • Page 5: Trouble Shooting Flow Chart

    TROUBLE SHOOTING FLOW CHART (1) TV / AV no picture Check U7,U15 No picture Back to default setting All Source Chack U7,U15 Chect Panel All Source Check LVDS wire Color NG Check U7,U15 Back to default setting YCBCR Check U15 out/put Check signal source All Source Check Front Panel...
  • Page 6 TROUBLE SHOOTING FLOW CHART (2) Check or change U7,U18 No Sound Back to default setting Other Source CheckU18 check U26,U27 output Check Main Board and wire connecting all source Check Main Board wire U26,U27 output R or L no sound Check U7 Check Speaker connecting one port...

  • Page 7: Control Board

    TROUBLE SHOOTING FLOW CHART (3) Check AC Cord No Power Check the wire form Power Supply to Main Boar Power on NG Check Power Supply Check Power Supply No back light Check Main Board ( check Q10,Q13 ) Check front panel Key NG Check CONTROL Board No Work...
  • Page 19 MAIN BOARD PARTS LIST RESISTOR RESISTOR R107 QCF015030-1010 100 OHM 1/10W 5% 0603 R166 QCF015030-1030 10K OHM 1/10W 5% 0603 R108 QCF015030-6820 6.8K OHM 1/10W 5% 0603 R167 QCF015030-5630 56K OHM 1/10W 5% 0603 R109 QCF015030-1010 100 OHM 1/10W 5% 0603 R168 QCF015030-1020 1K OHM 1/10W 5% 0603...
  • Page 20 MAIN BOARD PARTS LIST RESISTOR RESISTOR QCF015030-2200 22 OHM 1/10W 5% 0603 QCF015030-7500 75 OHM 1/10W 5% 0603 QCF015030-4730 47K OHM 1/10W 5% 0603 QCF015030-7500 75 OHM 1/10W 5% 0603 QCF015030-2200 22 OHM 1/10W 5% 0603 QCF015030-7500 75 OHM 1/10W 5% 0603 QCF015030-2200 22 OHM 1/10W 5% 0603 QCF015030-7500...
  • Page 21 MAIN BOARD PARTS LIST CAPACITOR CAPACITOR C117 PXL439670-1040 0.1uF 50V +80% -20% C175 PBE039560-1000 VER. ELECT 10 uF 35V 20% C118 PXL439670-1040 0.1uF 50V +80% -20% C176 PXL439670-1040 0.1uF 50V +80% -20% C119 PXL439670-1040 0.1uF 50V +80% -20% C177 PXL439670-1040 0.1uF 50V +80% -20% PBE039542-1011 CHIP VER 100 uF 16V 20%...
  • Page 22 MAIN BOARD PARTS LIST CAPACITOR CAPACITOR C221 PVE039542-2220 2200uF16V20% 85'C D10xL25 PXL439670-1040 0.1uF 50V +80% -20% C222 PZL439640-4750 4.7 uF 16V +80-20% PME039570-4790 4.7 uF 50V 20% SIZE=5x11mm C223 PYL456470-5620 0.0056 uF 50V 10% PXL439670-1040 0.1uF 50V +80% -20% C224 PXL439670-1040 0.1uF 50V +80% -20% PXL410370-3000...
  • Page 23 MAIN BOARD PARTS LIST CAPACITOR INTERGRATED CIRCUIT PXL410370-4710 470 pF 50V 5% RCZ005010-0010 10V 5% 0.5W (F5)SOD-123 PXL439670-1040 0.1uF 50V +80% -20% RCD100034-0030 SR34 SMB/DO-214AA PBE039542-4700 CHIP VER 47 uF 16V 20% QCL085010-0000 CHIP RES. 0 OHM JUMP WIRE PXL439670-1040 0.1uF 50V +80% -20% RCD100004-0001 1A 100V TYPE PBE039542-2201...
  • Page 24 MAIN BOARD PARTS LIST INTERGRATED CIRCUIT CHIP BEAD RCI390020-A001 IC32P SST39VF020-70PLCC SCB008051-3000 30O 25% AT 100MHZ IDC3000m RCI111718-0002 3 PIN NCP1117ST18T3 1.8V SCB008051-3010 300 OHM 25% 100 MHz 2A 080 RCI007808-0002 3 PIN 78D08A 8V 1A TO252 UT SCB008051-3010 300 OHM 25% 100 MHz 2A 080 RCI111733-0002 3 PIN NCP1117ST33T3 3.3V SCB012061-1210...
  • Page 25 CONTROL BOARD CIRCUIT Green VOUT...
  • Page 26 CONTROL BOARD PCB-TOP CONTROL BOARD PCB-BOTTON...
  • Page 27 CONTROL BOARD PARTS LIST MISCELLANEOUS C301 PRD339670-1040 GP COND DISC 0.1 uF 50V +80-20% C302 PME839540-1010 GP COND ELECT 100 uF 16V 20% 6.3X5m CN301 CCN125050-0510 CONNECTOR 10P P1.25xH4.7xW3.3mm 90' CN302 CCN254140-0704 GP CON.WAFER 4P P2.54xH6.9mm 90' GOLD RAD114148-1010 GP DIODE SW 1N4148 JP01 XJP220000-0001 GP WIRE BARE 22 GA TINNED...
  • Page 28 POWER DVCC3 UD4/GP _D10/R_A13 IECRX/GP _D11/R_A14 IECTX/GPIO _D12/R_A15 UD0/GP AU_D0 VDD_O5 _D13/R_A16 UD1/GP _D14/R_A17 AU_D1 UD2/GP _D15/R_A18 AU_D2 UD3/GP A0/R_A19 MUTE _LRCK/GP /GPIO _CS0_ AU_LRCK _CS0 A_BCK/GPIO B/R_A20 _RAS AU_BCK A_XCK/GPIO B/R_OE_B _CAS AU_XCK /GPIO UA0_RX _WE_B/R_WE_B UA0_TX/GPIO _D0/R_D0 V_COMP _D1/R_D1 _COM _D2/R_D2...
  • Page 30 DVD BOARD PARTS LIST RESISTOR RESISTOR R100 QCF015030-1530 15K OHM 1/10W 5% 0603 R155 QCF085020-2290 2.2 OHM 1/8W 5% 0805 R101 QCF015030-1530 15K OHM 1/10W 5% 0603 R156 QCF015030-0000 0 OHM 1/10W 5% 0603 R103 QCF015030-4720 4.7K OHM 1/10W 5% 0603 R158 QCF015030-6820 6.8K OHM 1/10W 5% 0603...
  • Page 31 DVD BOARD PARTS LIST RESISTOR CAPACITOR QCF015030-0000 0 OHM 1/10W 5% 0603 C133 PXL456470-1040 CHIP CAP 0.1 uF 50V 10% QCF015030-1030 10K OHM 1/10W 5% 0603 C134 PXL456470-1040 CHIP CAP 0.1 uF 50V 10% QCF015030-4720 4.7K OHM 1/10W 5% 0603 C135 PXL456470-1040 CHIP CAP 0.1 uF 50V 10%...
  • Page 32 DVD BOARD PARTS LIST CAPACITOR CAPACITOR C180 PXL410370-1000 CHIP CAP 10 pF 50V 5% C233 PXL456470-1040 CHIP CAP 0.1 uF 50V 10% C181 PXL410370-1000 CHIP CAP 10 pF 50V 5% C234 PXL456470-1040 CHIP CAP 0.1 uF 50V 10% C182 PXL456470-1040 CHIP CAP 0.1 uF 50V 10% C235 PME839540-2210 220 uF 16V 20% 8X5mm...
  • Page 33 DVD BOARD PARTS LIST CAPACITOR CHIP BEAD PXL456470-4720 CHIP CAP 0.0047uF 50V10% SCB006030-6010 FERRITE 600 OHM PXL456470-4720 CHIP CAP 0.0047uF 50V10% SCB008050-6010 600 OHM AT 100MHz PXL456470-1510 CHIP CAP 150pF 50V 10% SCB008050-6010 600 OHM AT 100MHz PXL456470-1510 CHIP CAP 150pF 50V 10% SCB006031-1011 100 OHM 25% 100MHz 2A 060 PXL456470-1040...

  • Page 34: Dvdboard

    DVD BOARD PARTS LIST INTERGRATED CIRCUIT RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 RCZ005006-Z011 CHIP ZENER 5.6V5% 0.5W(E2 MISCELLANEOUS VWA220005-0001 C/W 9/3+6P 280/220mm VWA200022-0008 C/W 6P 230mm 1007#26 CHC050020-0124 CHIP CONNECTOR 24P P=.5 VWA220004-0001 C/W 7P/9P 220mm 254...

  • Page 35: Replacement Parts List

    REPLACEMENT PARTS LIST Part NO. Description Installation Point Grade PBE039540-4700 GP CHIP ELECT 47 uF 16V 20% Main PBE039542-4700 CHIP VER 47 uF 16V 20% Replacement RCI390020-A001 GP IC32P SST39VF020-70PLCC SSTFLASH EEPR U10 Replacement RCI290040-B000 GP IC 32P EN29LV040A-70JCP PLCC EON Main RCI290040-0000 IC 32P A29L040L-70 PLCC AMIC...
  • Page 36 FIRMWARE UPGRADE METHED (Contunued) VCTI-ISP-SETUP COPY root vcti49xyi to C:\ RUN Setup_Visual_I2C_v3-2-3b8g.exe from Setup_Visual_I2C_v3-2-3b8g.rar file. Click “Y”...
  • Page 37 FIRMWARE UPGRADE METHED (Contunued) Click “Next” click “I accept….” & “Next”...
  • Page 38 FIRMWARE UPGRADE METHED (Contunued) Click “Finish”...
  • Page 39 FIRMWARE UPGRADE METHED (Contunued) COME PORT DRIVER SETUP Find Path “C:\Program Files\Micronas\Visual I2C\Port_Driver\” run correct file according to operation system EX: run Setup_LptDrv_v020201_XP_2000.exe if operation system Is Win_XP or NT2000. COME PORT DRIVER SETUP OK.
  • Page 40 FIRMWARE UPGRADE METHED (Contunued) HOW TO DO VCTI(LT2031) ISP. 1.LT2031 at Standby(open power don’t press power key ). 2.plug PC & LT2031 connect.Show picture as below: 3. Run vct49xyi_start.vi2c file from c:\vcti49xyi floor. 4.press vct49xyi_start.vi2c...
  • Page 41 FIRMWARE UPGRADE METHED (Contunued) 4.set parameter 5.press TVT...
  • Page 42 FIRMWARE UPGRADE METHED (Contunued) 6.Waitting 2 seconds press Bootloader.can see DOS windows and display ok message. 7.press Bootloader Version icon signal. It is ok , must show number 22 . if show no acknowledge from slave message , reconnect try again. press BootLoader message if connect is ok...
  • Page 43 FIRMWARE UPGRADE METHED (Contunued) Press EraseFlash Load Bin Flash” , click the right mouse button to select properties. 10.find ISP name path :(EX:Vcti_Main_076_OK.bin) 11.press OK...
  • Page 44 FIRMWARE UPGRADE METHED (Contunued) 12. press Load Bin Flash icon. about 130 seconds can finish. , ISP programming picture as below:...

  • Page 45: Firmware Upgrade Method

    FIRMWARE UPGRADE METHED 13.ISP OK ,release all connect , open power. HOW TO GET TV Verson: 14.at TV mode . press key pad VOL+ & CH- simultaneously and hold 3 seconds,panel will display FACTORY MODE. 15.use remote to select SysInfo icon . press Select key will display DVD & TV version.

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